Not Just Lyrics: Things That Aren't Songs by VaccaD

Question 11

WHAT NICKNAME was shared by two boxing greats: one who took one welterweight and five middleweight world titles between 1946 and 1960, the other of whom had fifteen different welterweight and middleweight titles between 1979 and 1988, including a tenure as the undisputed world welterweight champion from 1981-1982?

SUGAR RAY (Robinson and Leonard)